[FIX] web: correctly display reference field in subview

Have a form view with a O2M.
The model at the 'many' end has a reference field

Have a record of the second model display in a modal
(by clicking on a record in the o2m list)

Before this commit:
The field reference was not filled up
This was because the fields to fetch on the modal creation weren't correctly set.
Obvisouly, it also created problem when trying to change the record on the modal:
spawning tracebacks because the reference field was not present in the local datas

After this commit:
The display of the reference field is as expected both in the original form and in the modal

OPW 1829822
closes #22468
closes #23896

1 files changed, 3 insertions, 3 deletions

diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index e60e3f15a03..11e2347eba7 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -2011,7 +2011,7 @@ var BasicModel = AbstractModel.extend({
             .then(function () {
                 return $.when(
                     self._fetchX2Manys(record, options),
-                    self._fetchReferences(record)
+                    self._fetchReferences(record, options)
                 ).then(function () {
                     return self._postprocess(record, options);
                 });
@@ -2058,10 +2058,10 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} record
      * @returns {Deferred}
      */
-    _fetchReferences: function (record) {
+    _fetchReferences: function (record, options) {
         var self = this;
         var defs = [];
-        var fieldNames = record.getFieldNames();
+        var fieldNames = options && options.fieldNames || record.getFieldNames();
         _.each(fieldNames, function (fieldName) {
             var field = record.fields[fieldName];
             if (field.type === 'reference') {